Shamusworld >> Repos - rmac/blob - debug.c

   1 //
   2 // RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
   3 // DEBUG.C - Debugging Messages
   4 // Copyright (C) 199x Landon Dyer, 2011-2012 Reboot and Friends
   5 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
   6 // Source Utilised with the Kind Permission of Landon Dyer
   7 //
   8
   9 #include "debug.h"
  10 #include "amode.h"
  11 #include "direct.h"
  12 #include "mark.h"
  13 #include "sect.h"
  14 #include "token.h"
  15
  16
  17 static int siztab[4] = { 3, 5, 9, 9 };
  18
  19
  20 //
  21 // Print 'c' Visibly
  22 //
  23 int visprt(char c)
  24 {
  25         if (c < 0x20 || c >= 0x7F)
  26                 putchar('.');
  27         else
  28                 putchar(c);
  29
  30         return 0;
  31 }
  32
  33
  34 //
  35 // Print expression, return ptr to just past the ENDEXPR
  36 //
  37 TOKEN * printexpr(TOKEN * tp)
  38 {
  39         if (tp != NULL)
  40         {
  41                 while (*tp != ENDEXPR)
  42                 {
  43                         switch ((int)*tp++)
  44                         {
  45                         case SYMBOL:
  46 //                              printf("`%s' ", ((SYM *)*tp)->sname);
  47                                 printf("`%s' ", symbolPtr[*tp]->sname);
  48                                 tp++;
  49                                 break;
  50                         case CONST:
  51                                 printf("$%X ", *tp++);
  52                                 break;
  53                         case ACONST:
  54                                 printf("ACONST=($%X,$%X) ", *tp, tp[1]);
  55                                 tp += 2;
  56                                 break;
  57                         default:
  58                                 printf("%c ", (char)tp[-1]);
  59                                 break;
  60                         }
  61                 }
  62         }
  63
  64 //      printf(";\n");
  65         return tp + 1;
  66 }
  67
  68
  69 //
  70 // Dump data in a chunk (and maybe others) in the appropriate format
  71 //
  72 int chdump(CHUNK * ch, int format)
  73 {
  74         while (ch != NULL)
  75         {
  76                 printf("chloc=$%08X, chsize=$%X\n", ch->chloc, ch->ch_size);
  77                 mdump(ch->chptr, ch->ch_size, format, ch->chloc);
  78                 ch = ch->chnext;
  79         }
  80
  81         return 0;
  82 }
  83
  84
  85 //
  86 // Dump fixup records in printable format
  87 //
  88 int fudump(CHUNK * ch)
  89 {
  90         PTR p;
  91         char * ep;
  92         WORD attr, esiz;
  93         WORD line, file;
  94         LONG loc;
  95
  96         for(; ch!=NULL;)
  97         {
  98                 p.cp = ch->chptr;
  99                 ep = ch->chptr + ch->ch_size;
 100
 101                 while (p.cp < ep)
 102                 {
 103                         attr = *p.wp++;
 104                         loc = *p.lp++;
 105                         file = *p.wp++;
 106                         line = *p.wp++;
 107
 108                         printf("$%04X $%08X %d.%d: ", (int)attr, loc, (int)file, (int)line);
 109
 110                         if (attr & FU_EXPR)
 111                         {
 112                                 esiz = *p.wp++;
 113                                 printf("(%d long) ", (int)esiz);
 114                                 p.tk = printexpr(p.tk);
 115                         }
 116                         else
 117                         {
 118 //                              printf("`%s' ;\n", (*p.sy)->sname);
 119                                 printf("`%s' ;", (*p.sy)->sname);
 120                                 p.sy++;
 121                         }
 122
 123                         if ((attr & 0x0F00) == FU_JR)
 124                         {
 125                                 printf(" *=$%X", *p.lp);
 126                                 p.lp++;
 127                         }
 128
 129                         printf("\n");
 130                 }
 131
 132                 ch = ch->chnext;
 133         }
 134
 135         return 0;
 136 }
 137
 138
 139 //
 140 // Dump marks
 141 //
 142 int mudump(void)
 143 {
 144         MCHUNK * mch;
 145         PTR p;
 146         WORD from;
 147         WORD w;
 148         LONG loc;
 149         SYM * symbol;
 150
 151         from = 0;
 152
 153         for(mch=firstmch; mch!=NULL; mch=mch->mcnext)
 154         {
 155                 printf("mch=$%p mcptr=$%08X mcalloc=$%X mcused=$%X\n",
 156                         mch, (mch->mcptr.lw), mch->mcalloc, (mch->mcused));
 157
 158                 p = mch->mcptr;
 159
 160                 for(;;)
 161                 {
 162                         w = *p.wp++;
 163
 164                         if (w & MCHEND)
 165                                 break;
 166
 167                         symbol = NULL;
 168                         loc = *p.lp++;
 169
 170                         if (w & MCHFROM)
 171                                 from = *p.wp++;
 172
 173                         if (w & MSYMBOL)
 174                                 symbol = *p.sy++;
 175
 176                         printf("m=$%04X to=%d loc=$%X from=%d siz=%s",
 177                                         w, w & 0x00FF, loc, from, (w & MLONG) ? "long" : "word");
 178
 179                         if (symbol != NULL)
 180                                 printf(" sym=`%s'", symbol->sname);
 181
 182                         printf("\n");
 183                 }
 184         }
 185
 186         return 0;
 187 }
 188
 189
 190 //
 191 // Dump memory from 'start' for 'count' bytes; `flg' is the following ORed together:
 192 // 0 - bytes
 193 // 1 - words
 194 // 2 - longwords
 195 //
 196 // if `base' is not -1, then print it at the start of each line, incremented accordingly.
 197 //
 198 int mdump(char * start, LONG count, int flg, LONG base)
 199 {
 200         int i, j, k;
 201         j = 0;
 202
 203         for(i=0; i<(int)count;)
 204         {
 205                 if ((i & 15) == 0)
 206                 {
 207                         if (j < i)
 208                         {
 209                                 printf("  ");
 210
 211                                 while(j < i)
 212                                 visprt(start[j++]);
 213
 214                                 putchar('\n');
 215                         }
 216
 217                         j = i;
 218
 219                         if (base != -1)
 220                                 printf("%08X  ", base);
 221                 }
 222
 223                 switch (flg & 3)
 224                 {
 225                 case 0:
 226                         printf("%02X ", start[i] & 0xff);
 227                         ++i;
 228                         break;
 229                 case 1:
 230                         printf("%02X%02X ", start[i] & 0xff, start[i+1] & 0xff);
 231                         i += 2;
 232                         break;
 233                 case 2:
 234                         printf("%02X%02X%02X%02X ", start[i] & 0xff, start[i+1] & 0xff,
 235                                 start[i+2] & 0xff, start[i+3] & 0xff);
 236                         i += 4;
 237                         break;
 238                 case 3:
 239                         break;
 240                 }
 241
 242                 if (base != -1)
 243                         base += 1 << (flg & 3);
 244         }
 245
 246         // Print remaining bit of ascii; the hairy expression computes the number of
 247         // spaces to print to make the ascii line up nicely.
 248         if (j != i)
 249         {
 250                 k = ((16 - (i - j)) / (1 << (flg & 3))) * siztab[flg & 3];
 251
 252                 while(k--)
 253                         putchar(' ');
 254
 255                 printf("  ");
 256
 257                 while(j < i)
 258                         visprt(start[j++]);
 259
 260                 putchar('\n');
 261         }
 262
 263         return 0;
 264 }
 265
 266
 267 //
 268 // Dump list of tokens on stdout in printable form
 269 //
 270 int dumptok(TOKEN * tk)
 271 {
 272         int flg = 0;
 273
 274         while (*tk != EOL)
 275         {
 276                 if (flg++)
 277                         printf(" ");
 278
 279                 if (*tk >= 128)
 280                 {
 281                         printf("REG=%u", *tk++ - 128);
 282                         continue;
 283                 }
 284
 285                 switch ((int)*tk++)
 286                 {
 287                 case CONST:                                        // CONST <value>
 288                         printf("CONST=%u", *tk++);
 289                         break;
 290                 case STRING:                                       // STRING <address>
 291                         printf("STRING='%s'", string[*tk++]);
 292                         break;
 293                 case SYMBOL:                                       // SYMBOL <address>
 294                         printf("SYMBOL='%s'", string[*tk++]);
 295                         break;
 296                 case EOL:                                          // End of line
 297                         printf("EOL");
 298                         break;
 299                 case TKEOF:                                        // End of file (or macro)
 300                         printf("TKEOF");
 301                         break;
 302                 case DEQUALS:                                      // ==
 303                         printf("DEQUALS");
 304                         break;
 305                 case DCOLON:                                       // ::
 306                         printf("DCOLON");
 307                         break;
 308                 case GE:                                           // >=
 309                         printf("GE");
 310                         break;
 311                 case LE:                                           // <=
 312                         printf("LE");
 313                         break;
 314                 case NE:                                           // <> or !=
 315                         printf("NE");
 316                         break;
 317                 case SHR:                                          // >>
 318                         printf("SHR");
 319                         break;
 320                 case SHL:                                          // <<
 321                         printf("SHL");
 322                         break;
 323                 default:
 324                         printf("%c", (int)tk[-1]);
 325                         break;
 326                 }
 327         }
 328
 329         printf("\n");
 330
 331         return 0;
 332 }
 333
 334
 335 //
 336 // Dump Everything
 337 //
 338 int dump_everything(void)
 339 {
 340         int i;
 341
 342         for(i=1; i<NSECTS; i++)
 343         {
 344                 if (sect[i].scattr & SUSED)
 345                 {
 346                         printf("Section %d sloc=$%X\n", i, sect[i].sloc);
 347                         printf("Code:\n");
 348                         chdump(sect[i].sfcode, 1);
 349
 350                         printf("Fixup:\n");
 351                         fudump(sect[i].sffix);
 352
 353                         printf("\n");
 354                 }
 355         }
 356
 357         printf("\nMarks:\n");
 358         mudump();                                                               // Dump marks
 359 //      printf("Total memory allocated=$%X\n", amemtot);
 360
 361         return 0;
 362 }